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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: acglobal.h - Declarations for global variables | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
75a44ce0 | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | #ifndef __ACGLOBAL_H__ | |
45 | #define __ACGLOBAL_H__ | |
46 | ||
1da177e4 LT |
47 | /* |
48 | * Ensure that the globals are actually defined and initialized only once. | |
49 | * | |
50 | * The use of these macros allows a single list of globals (here) in order | |
51 | * to simplify maintenance of the code. | |
52 | */ | |
53 | #ifdef DEFINE_ACPI_GLOBALS | |
54 | #define ACPI_EXTERN | |
55 | #define ACPI_INIT_GLOBAL(a,b) a=b | |
56 | #else | |
57 | #define ACPI_EXTERN extern | |
58 | #define ACPI_INIT_GLOBAL(a,b) a | |
59 | #endif | |
60 | ||
1da177e4 LT |
61 | /***************************************************************************** |
62 | * | |
63 | * Runtime configuration (static defaults that can be overriden at runtime) | |
64 | * | |
65 | ****************************************************************************/ | |
66 | ||
67 | /* | |
68 | * Enable "slack" in the AML interpreter? Default is FALSE, and the | |
69 | * interpreter strictly follows the ACPI specification. Setting to TRUE | |
defba1d8 BM |
70 | * allows the interpreter to ignore certain errors and/or bad AML constructs. |
71 | * | |
72 | * Currently, these features are enabled by this flag: | |
73 | * | |
1da177e4 | 74 | * 1) Allow "implicit return" of last value in a control method |
defba1d8 | 75 | * 2) Allow access beyond the end of an operation region |
1da177e4 LT |
76 | * 3) Allow access to uninitialized locals/args (auto-init to integer 0) |
77 | * 4) Allow ANY object type to be a source operand for the Store() operator | |
defba1d8 | 78 | * 5) Allow unresolved references (invalid target name) in package objects |
793c2388 | 79 | * 6) Enable warning messages for behavior that is not ACPI spec compliant |
1da177e4 | 80 | */ |
4be44fcd | 81 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE); |
1da177e4 LT |
82 | |
83 | /* | |
84 | * Automatically serialize ALL control methods? Default is FALSE, meaning | |
85 | * to use the Serialized/not_serialized method flags on a per method basis. | |
86 | * Only change this if the ASL code is poorly written and cannot handle | |
b229cf92 | 87 | * reentrancy even though methods are marked "NotSerialized". |
1da177e4 | 88 | */ |
4be44fcd | 89 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE); |
1da177e4 LT |
90 | |
91 | /* | |
92 | * Create the predefined _OSI method in the namespace? Default is TRUE | |
93 | * because ACPI CA is fully compatible with other ACPI implementations. | |
94 | * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. | |
95 | */ | |
4be44fcd | 96 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE); |
1da177e4 LT |
97 | |
98 | /* | |
99 | * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and | |
100 | * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only | |
101 | * be enabled just before going to sleep. | |
102 | */ | |
4be44fcd | 103 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE); |
1da177e4 | 104 | |
c5a71569 BM |
105 | /***************************************************************************** |
106 | * | |
107 | * Debug support | |
108 | * | |
109 | ****************************************************************************/ | |
110 | ||
111 | /* Runtime configuration of debug print levels */ | |
112 | ||
113 | extern u32 acpi_dbg_level; | |
114 | extern u32 acpi_dbg_layer; | |
115 | ||
116 | /* Procedure nesting level for debug output */ | |
117 | ||
118 | extern u32 acpi_gbl_nesting_level; | |
119 | ||
c5a71569 BM |
120 | /* Support for dynamic control method tracing mechanism */ |
121 | ||
122 | ACPI_EXTERN u32 acpi_gbl_original_dbg_level; | |
123 | ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; | |
124 | ACPI_EXTERN acpi_name acpi_gbl_trace_method_name; | |
125 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; | |
126 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; | |
127 | ACPI_EXTERN u32 acpi_gbl_trace_flags; | |
128 | ||
1da177e4 LT |
129 | /***************************************************************************** |
130 | * | |
131 | * ACPI Table globals | |
132 | * | |
133 | ****************************************************************************/ | |
134 | ||
135 | /* | |
f3d2e786 BM |
136 | * acpi_gbl_root_table_list is the master list of ACPI tables found in the |
137 | * RSDT/XSDT. | |
1da177e4 | 138 | * |
f3d2e786 | 139 | * acpi_gbl_FADT is a local copy of the FADT, converted to a common format. |
1da177e4 | 140 | */ |
f3d2e786 BM |
141 | ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list; |
142 | ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT; | |
009c4cbe | 143 | ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS; |
67a119f9 | 144 | extern u8 acpi_gbl_permanent_mmap; |
73459f73 | 145 | |
c5a71569 BM |
146 | /* These addresses are calculated from FADT address values */ |
147 | ||
148 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; | |
149 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; | |
150 | ||
1da177e4 | 151 | /* |
f3d2e786 BM |
152 | * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is |
153 | * determined by the revision of the DSDT: If the DSDT revision is less than | |
154 | * 2, use only the lower 32 bits of the internal 64-bit Integer. | |
1da177e4 | 155 | */ |
4be44fcd LB |
156 | ACPI_EXTERN u8 acpi_gbl_integer_bit_width; |
157 | ACPI_EXTERN u8 acpi_gbl_integer_byte_width; | |
158 | ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; | |
1da177e4 | 159 | |
967440e3 BM |
160 | /***************************************************************************** |
161 | * | |
162 | * Mutual exlusion within ACPICA subsystem | |
163 | * | |
164 | ****************************************************************************/ | |
165 | ||
1da177e4 | 166 | /* |
f3d2e786 | 167 | * Predefined mutex objects. This array contains the |
1da177e4 LT |
168 | * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. |
169 | * (The table maps local handles to the real OS handles) | |
170 | */ | |
4c90ece2 | 171 | ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX]; |
1da177e4 | 172 | |
967440e3 | 173 | /* |
ba886cd4 BM |
174 | * Global lock mutex is an actual AML mutex object |
175 | * Global lock semaphore works in conjunction with the HW global lock | |
967440e3 | 176 | */ |
ba886cd4 | 177 | ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex; |
967440e3 | 178 | ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; |
ba886cd4 BM |
179 | ACPI_EXTERN u16 acpi_gbl_global_lock_handle; |
180 | ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; | |
181 | ACPI_EXTERN u8 acpi_gbl_global_lock_present; | |
967440e3 BM |
182 | |
183 | /* | |
184 | * Spinlocks are used for interfaces that can be possibly called at | |
185 | * interrupt level | |
186 | */ | |
187 | ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ | |
188 | ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ | |
189 | #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock | |
190 | #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock | |
191 | ||
1da177e4 LT |
192 | /***************************************************************************** |
193 | * | |
194 | * Miscellaneous globals | |
195 | * | |
196 | ****************************************************************************/ | |
197 | ||
73459f73 RM |
198 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS |
199 | ||
200 | /* Lists for tracking memory allocations */ | |
201 | ||
4be44fcd LB |
202 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; |
203 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; | |
d41eb99b | 204 | ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats; |
73459f73 RM |
205 | #endif |
206 | ||
207 | /* Object caches */ | |
208 | ||
61686124 | 209 | ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache; |
4be44fcd LB |
210 | ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache; |
211 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache; | |
212 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache; | |
213 | ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache; | |
73459f73 RM |
214 | |
215 | /* Global handlers */ | |
1da177e4 | 216 | |
4be44fcd LB |
217 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; |
218 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; | |
219 | ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; | |
220 | ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; | |
3e08e2d2 LM |
221 | ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler; |
222 | ACPI_EXTERN void *acpi_gbl_table_handler_context; | |
4be44fcd | 223 | ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; |
1da177e4 | 224 | |
ba886cd4 BM |
225 | /* Owner ID support */ |
226 | ||
227 | ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]; | |
228 | ACPI_EXTERN u8 acpi_gbl_last_owner_id_index; | |
229 | ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset; | |
230 | ||
73459f73 RM |
231 | /* Misc */ |
232 | ||
4be44fcd LB |
233 | ACPI_EXTERN u32 acpi_gbl_original_mode; |
234 | ACPI_EXTERN u32 acpi_gbl_rsdp_original_location; | |
235 | ACPI_EXTERN u32 acpi_gbl_ns_lookup_count; | |
236 | ACPI_EXTERN u32 acpi_gbl_ps_find_count; | |
4be44fcd | 237 | ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save; |
4be44fcd | 238 | ACPI_EXTERN u8 acpi_gbl_debugger_configuration; |
4be44fcd LB |
239 | ACPI_EXTERN u8 acpi_gbl_step_to_next_call; |
240 | ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; | |
4be44fcd LB |
241 | ACPI_EXTERN u8 acpi_gbl_events_initialized; |
242 | ACPI_EXTERN u8 acpi_gbl_system_awake_and_running; | |
243 | ||
dbaaa956 BM |
244 | #ifndef DEFINE_ACPI_GLOBALS |
245 | ||
246 | /* Other miscellaneous */ | |
247 | ||
4be44fcd LB |
248 | extern u8 acpi_gbl_shutdown; |
249 | extern u32 acpi_gbl_startup_flags; | |
4be44fcd LB |
250 | extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; |
251 | extern const char *acpi_gbl_highest_dstate_names[4]; | |
252 | extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; | |
253 | extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; | |
1da177e4 | 254 | |
dbaaa956 BM |
255 | #endif |
256 | ||
84fb2c97 BM |
257 | /* Exception codes */ |
258 | ||
259 | extern char const *acpi_gbl_exception_names_env[]; | |
260 | extern char const *acpi_gbl_exception_names_pgm[]; | |
261 | extern char const *acpi_gbl_exception_names_tbl[]; | |
262 | extern char const *acpi_gbl_exception_names_aml[]; | |
263 | extern char const *acpi_gbl_exception_names_ctrl[]; | |
264 | ||
1da177e4 LT |
265 | /***************************************************************************** |
266 | * | |
267 | * Namespace globals | |
268 | * | |
269 | ****************************************************************************/ | |
270 | ||
1da177e4 LT |
271 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) |
272 | #define NUM_PREDEFINED_NAMES 10 | |
273 | #else | |
274 | #define NUM_PREDEFINED_NAMES 9 | |
275 | #endif | |
276 | ||
4be44fcd LB |
277 | ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct; |
278 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node; | |
279 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device; | |
1da177e4 | 280 | |
b7f9f042 | 281 | extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; |
4be44fcd LB |
282 | extern const struct acpi_predefined_names |
283 | acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; | |
1da177e4 LT |
284 | |
285 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd LB |
286 | ACPI_EXTERN u32 acpi_gbl_current_node_count; |
287 | ACPI_EXTERN u32 acpi_gbl_current_node_size; | |
288 | ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count; | |
b7f9f042 BM |
289 | ACPI_EXTERN acpi_size *acpi_gbl_entry_stack_pointer; |
290 | ACPI_EXTERN acpi_size *acpi_gbl_lowest_stack_pointer; | |
4be44fcd | 291 | ACPI_EXTERN u32 acpi_gbl_deepest_nesting; |
1da177e4 LT |
292 | #endif |
293 | ||
294 | /***************************************************************************** | |
295 | * | |
296 | * Interpreter globals | |
297 | * | |
298 | ****************************************************************************/ | |
299 | ||
4be44fcd | 300 | ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list; |
1da177e4 LT |
301 | |
302 | /* Control method single step flag */ | |
303 | ||
4be44fcd | 304 | ACPI_EXTERN u8 acpi_gbl_cm_single_step; |
1da177e4 | 305 | |
1da177e4 LT |
306 | /***************************************************************************** |
307 | * | |
308 | * Hardware globals | |
309 | * | |
310 | ****************************************************************************/ | |
311 | ||
4be44fcd LB |
312 | extern struct acpi_bit_register_info |
313 | acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; | |
314 | ACPI_EXTERN u8 acpi_gbl_sleep_type_a; | |
315 | ACPI_EXTERN u8 acpi_gbl_sleep_type_b; | |
1da177e4 LT |
316 | |
317 | /***************************************************************************** | |
318 | * | |
319 | * Event and GPE globals | |
320 | * | |
321 | ****************************************************************************/ | |
322 | ||
4be44fcd LB |
323 | extern struct acpi_fixed_event_info |
324 | acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; | |
325 | ACPI_EXTERN struct acpi_fixed_event_handler | |
326 | acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; | |
327 | ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; | |
328 | ACPI_EXTERN struct acpi_gpe_block_info | |
fd350943 | 329 | *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; |
4c90ece2 | 330 | |
1da177e4 LT |
331 | /***************************************************************************** |
332 | * | |
333 | * Debugger globals | |
334 | * | |
335 | ****************************************************************************/ | |
336 | ||
4be44fcd | 337 | ACPI_EXTERN u8 acpi_gbl_db_output_flags; |
1da177e4 LT |
338 | |
339 | #ifdef ACPI_DISASSEMBLER | |
340 | ||
4be44fcd LB |
341 | ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; |
342 | ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; | |
1da177e4 LT |
343 | #endif |
344 | ||
1da177e4 LT |
345 | #ifdef ACPI_DEBUGGER |
346 | ||
4be44fcd LB |
347 | extern u8 acpi_gbl_method_executing; |
348 | extern u8 acpi_gbl_abort_method; | |
349 | extern u8 acpi_gbl_db_terminate_threads; | |
350 | ||
351 | ACPI_EXTERN int optind; | |
352 | ACPI_EXTERN char *optarg; | |
353 | ||
354 | ACPI_EXTERN u8 acpi_gbl_db_opt_tables; | |
355 | ACPI_EXTERN u8 acpi_gbl_db_opt_stats; | |
356 | ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; | |
357 | ||
358 | ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; | |
359 | ACPI_EXTERN char acpi_gbl_db_line_buf[80]; | |
360 | ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; | |
361 | ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; | |
362 | ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; | |
363 | ACPI_EXTERN u8 acpi_gbl_db_output_to_file; | |
364 | ACPI_EXTERN char *acpi_gbl_db_buffer; | |
365 | ACPI_EXTERN char *acpi_gbl_db_filename; | |
366 | ACPI_EXTERN u32 acpi_gbl_db_debug_level; | |
367 | ACPI_EXTERN u32 acpi_gbl_db_console_debug_level; | |
368 | ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr; | |
369 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node; | |
1da177e4 LT |
370 | |
371 | /* | |
372 | * Statistic globals | |
373 | */ | |
4be44fcd LB |
374 | ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; |
375 | ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; | |
376 | ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc; | |
377 | ACPI_EXTERN u16 acpi_gbl_node_type_count_misc; | |
378 | ACPI_EXTERN u32 acpi_gbl_num_nodes; | |
379 | ACPI_EXTERN u32 acpi_gbl_num_objects; | |
1da177e4 | 380 | |
4be44fcd LB |
381 | ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree; |
382 | ACPI_EXTERN u32 acpi_gbl_size_of_method_trees; | |
383 | ACPI_EXTERN u32 acpi_gbl_size_of_node_entries; | |
384 | ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; | |
1da177e4 | 385 | |
4be44fcd | 386 | #endif /* ACPI_DEBUGGER */ |
1da177e4 | 387 | |
4be44fcd | 388 | #endif /* __ACGLOBAL_H__ */ |